Loading and unloading device.



No. 827,831. v

PATENTED, AUG. 7, 1906. .P. B. VAN BER'ENDONGK'. LOADING AND UNLOADINGDEVICE.

APPLICATION FILED SEPT.15. 1905.

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LOADING AND UNLOADING DEVICE.

Specification of Letters Patent.

Application filed September 15, 1905. Serial No. 278.606.

Patented Aug. 7, 1906.

class known as pneumatic.

This invention is intended more especially to be used in conjunctionwith the loading and unloading of ships, and is for the purpose ofconveying subdivided substances which may be coal, grain, or the like.

It is the object of this invention to provide a device of the characternoted possessing advantages in points of simplicity, efficiency, anddurability, proving at the same time comparatively inexpensive toproduce and maintain.

With the foregoing and other objects in view the invention consists inthe details of construction and in the arrangement and combination ofparts to be hereinafter more fully set forth and claimed.

In describing the invention in detail reference will be had to theaccompanying drawings, forming part of this specification, wherein ikecharacters denote corresponding parts in the several views, in whichFigure 1 is a plan view of a valve employed in conjunction with thisinvention. Fi 2 is a sectional view taken on the lines B of Fig. 3. Fig.3 is a plan view of a complete apparatus. Fig. 4 is a view in sideelevation. Figs. 5 6, and 7 are views illustrating a modified form ofthe invention.

In the drawings, f indicates a metallic receptacle which is preferablycylindrical or tubular and which may be of any desired length ordiameter. This tubular receptacle is provided with a series of openingsin which fits a frame a. Carried by the frame a is a flexible membrane1), which may be of leather or other flexible material. Arranged on thereceptacle f is a slide d, provided with a series of openings h. Thisslide is arranged over the membranes 1) of the receptacle and moves inthe guides 6, carried by the receptacle.

In' the operation the slide 61 is so manipulated as to cause theopenings h to lie over the membranes 6 of the receptacle and the weightof the material to be conveyed will overcome the resistance of themembranes and fall within the receptacle f. When said receptacle isfilled, the slide may be moved so as to carry the openings thereof outof registry with the membrane. To convey the material from thereceptacle f, air is caused to enter said receptacle, which will forcethe material within the receptacle to any predetermined point. This maybe done in any manner, but it has been found preferable to arrange theends of the receptacle f with flanges. To one end of the receptacle issecured an air-inlet pipe t, which may come from any source and issecured to the opposite end of a discharge-pipe k, which may lead to anypredetermined point. The passage of the air through the receptacle willalso cause the membranes to assume their normal or closed position.

It may be added that letting in of material through overweighting themembranes 1) occurs alternately with the entrance of a blast of airthrou h the pipe i, so that when the membranes deliver one load to thereceptacle F a blast of air must then be let in to return them to theirnormal or closed position, said blast carrying away the material thathas been entered into the receptacle.

In the modified form is shown a receptacle f, which has a portion of itsupper surface cut away and inclosed by a membrane 0. This device isoperated the same as in the preferred form, except it has noprotectingslide (1.

Having fully described my invention, what Iclaim as new, and desire tosecure by Letters Patent, is

1. A receptacle having openings, membranes for normally closing saidopenings and an air-inlet communicating with the receptacle and adischarging-channel therefor.

2. A receptacle having openings, membranes for normally closing saidopenings, an

air-inlet communicating with the receptacle, I00

a discharging-channel therefor, and a procommunicatin with thereceptacle, a dis- 1o tecting-slide or the membranes. charge-channetherefor, and a protective 3. A receptacle, an inlet therefor, anoutmeans for the membranes. let therefor, means for communicatin With Intestimony whereof I have hereunto set 5 the interior of the receptacleand a yie ldable my hand in presence of two Witnesses.

means normally obstructing said communi- PHILIPPE EMILE VAN BERENDONCK.eating means. Witnesses:

4. A' receptacle having openings, mem- GREGORY PHELAN, branes forclosing said openings, an air-inlet MAURICE GERBAULT.

